Initial commit

Author: Pawel

2.10.py

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+# A program that converts kilometers to miles
+
+kilometers = eval(input("Enter distance in km: "))
+miles = kilometers * 0.62
+print(kilometers, "km is", miles, "miles.")

2.11.py

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+# A program that converts gallons to liters
+
+print("This program takes input in gallons and converts it to liters.")
+
+gallons = eval(input("Enter fuel in gallons: "))
+liters = gallons * 3.785412
+print(gallons, "gallons is", liters, "liters.")

2.12.py

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+# A calculator
+
+def main():
+    print("This is a calculator.")
+    print("Simply crash the program to exit.")
+
+    for i in range(0, 100):
+        num = eval(input("Enter your expression here: "))
+        print(num)
+
+main()

2.9.py

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+# A program that converts Fahrenheit to Celsius
+
+fahrenheit = eval(input("Enter tempereature in Fahrenheit: "))
+celsius = (fahrenheit - 32) / 1.8
+print(fahrenheit, "Fahrenheit is", celsius, "Celsius.")